Note 5 - Leases (Details Textual) - USD ($) $ in Thousands |
9 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Operating Lease, Weighted Average Remaining Lease Term (Year) | 9 years | |
| Operating Lease, Weighted Average Discount Rate, Percent | 9.80% | |
| Operating Lease, Payments | $ 13,700 | $ 14,500 |
| Right-of-Use Asset Obtained in Exchange for Operating Lease Liability | $ 16,914 | 12,823 |
| Finance Lease, Weighted Average Remaining Lease Term (Year) | 25 years 8 months 12 days | |
| Finance Lease, Weighted Average Discount Rate, Percent | 11.30% | |
| Finance Lease, Principal Payments | $ 3,010 | 2,741 |
| Finance Lease, Interest Payment on Liability | 2,900 | $ 2,900 |
| Right-of-Use Asset Obtained in Exchange for Finance Lease Liability | $ 0 | |
| X | ||||||||||
- Definition Amount of interest paid on finance lease liability. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of cash outflow for principal payment on finance lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average discount rate for finance lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Weighted average remaining lease term for finance lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Weighted average discount rate for operating lease calculated at point in time. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of increase in right-of-use asset obtained in exchange for finance lease liability. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of increase in right-of-use asset obtained in exchange for operating lease liability. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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